Well, not a proof exactly. But as I noted in comments on a Liberty & Power blog post the other day, the U.S. federal government actually was granted even fewer powers than a minarchist state would have. For example, it has no power to outlaw murder. And despite this, it has far exceeded its bounds and become clearly tyrannical. Does this not indicate that a minarchist state, with even broader powers (in some respects) than the federal government, would also exceed these powers?

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